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US tax calculators
that actually work.
State-specific sales tax, property tax, gas tax, and more. All rates sourced directly from official state Department of Revenue websites and updated quarterly.
Tax calculators
Sales Tax Calculator
Calculate sales tax by state and county. Includes all local combined rates.
Capital Gains Tax Calculator
Estimate federal and state capital gains tax on stocks, crypto, real estate, and other investments.
Gas Tax Calculator
Calculate state and federal gas tax per gallon and per fill-up, by state.
Property Tax Estimator
Estimate annual property tax based on assessed value and local mill rate.
Inheritance Tax Calculator
Estimate inheritance tax liability by state based on estate value and heir relationship.
Why trust our rates
Official sources only
Every rate is sourced directly from official state Department of Revenue websites — never from third-party aggregators. Each tool page links to the source.
Quarterly audits
We review all rates every quarter and update within 48 hours of any published change by a state authority.
Real humans, real checks
This site is maintained by a real person. See our editorial policy for the full rate verification process.
All calculators are for informational purposes only and do not constitute tax advice. Consult a qualified tax professional for your specific situation.
